IT'S a craze which dates back decades.
But now Huddersfield youngsters have been learning to play one of the world's fastest-growing sports - frisbee.
An Ultimate Frisbee fun day was held at Huddersfield University sports centre to give young people a taste of the sport.
The fun day was the culmination of a five-week training programme in 'Ultimate Frisbee', which has been taking place at Almondbury Junior School.
Twenty girls have been taking part in the training, organised by Huddersfield charity Communities United Project.
CUP, based on John William Street, uses sport, music and arts activities to divert young people from anti-social behaviour.
The aim of the Ultimate Frisbee sessions - for eight to 11-year-olds - was to show that sport can be fun and to encourage teamwork.
Tricia Brown, activities development worker for CUP, said: "Ultimate Frisbee promotes sportsmanship, which has helped the girls develop their teamwork, co-operation and communication.
"But most of all, it is fun."
Ultimate Frisbee is a non-contact sport which fuses elements of football, netball and rugby.
It is played between two teams of seven players on a large rectangular pitch.
There are two 'endzones', like in rugby, which are the goal-scoring areas.
A goal is scored when a team completes a pass of the frisbee disc to a player standing in the endzone.
As in netball, players cannot run with the disc.
They have to stop and try to throw it to another player.
If the disc hits the ground or is intercepted or knocked down by the other team, then the opposition takes possession.
Possession also changes if a receiver is outside the playing area when he or she catches the disc.
As Ultimate Frisbee is a non-contact sport, any contact between players can be declared a foul.
What makes the sport unique is that it is refereed by the players themselves - even at World Championship level.
This is done through a code of conduct known as 'The Spirit of the Game'.
The Almondbury girls have been coached in the ways of Ultimate Frisbee by Zoe Prince, Great British Junior Ultimate Frisbee coach.
She said the project had been a success.
"The enthusiasm and ability of the girls is breathtaking, considering they have been playing for only five weeks."